GMC Sierra 1977 Manual Gasoline mileage: 264 KM 4WD Behbehani GMC for sale 350 engine and original Gear, engine, differential, chassis original, clean suspension and renewed electrical system, fully serviced. New tires. New wooden bed 450 sound mufflers, full headers, 2.5-inch pipes. Original wooden bed Split rear window Original interior trim. Contact number ( Phone number appears when clicking the contact button ) ( Phone number appears when clicking the contact button )